X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Details HANGING DROP VAPOR DIFFUSION 2.0 M SODIUM PHOSPHATE, PH 5.0 600 MM AMMONIUM CHLORIDE 5 MM L-TRYPTOPHAN, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.54 α = 90
b = 32.79 β = 90
c = 53.38 γ = 90
Symmetry
Space Group P 21 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE AREA DETECTOR MARRESEARCH -- 1994-08
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.3 30 97.4 0.032 -- -- 3.6 -- 86193 -- 0.25 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.3 1.35 94.0 0.167 -- 20.0 3.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
ISOMORPHOUS TO PDB ENTRY 2WRP 1.3 30.0 -- -- 23349 -- 2334 97.4 0.1268 0.1218 -- 0.172 EVERY 10TH REFLECTION
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.017
Coordinate Error
Parameter Value
Number Disordered Residues 15.0
Occupancy Sum Hydrogen 4248.0
Occupancy Sum Non Hydrogen 3504.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 804
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 119

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXL-93 Structure Solution
SHELXL-93 Structure Refinement
Software
Software Name Purpose
SHELXL-93 refinement
SHELXL-93 model building
SCALEPACK data reduction
DENZO data collection